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parity-zcash
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implement getblockcount api command 

https://chainquery.com/bitcoin-api/getblockcount
This commit is contained in:
Nicolas Ochem 2017-07-02 12:50:34 -07:00
parent eaee51a7a3
commit e628885a00
3 changed files with 18 additions and 0 deletions
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9
rpc/src/v1/impls/blockchain.rs
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@ -23,6 +23,7 @@ pub struct BlockChainClient<T: BlockChainClientCoreApi> {
pub trait BlockChainClientCoreApi: Send + Sync + 'static { pub trait BlockChainClientCoreApi: Send + Sync + 'static {
fn best_block_hash(&self) -> GlobalH256; fn best_block_hash(&self) -> GlobalH256;
fn block_count(&self) -> u32;
fn block_hash(&self, height: u32) -> Option<GlobalH256>; fn block_hash(&self, height: u32) -> Option<GlobalH256>;
fn difficulty(&self) -> f64; fn difficulty(&self) -> f64;
fn raw_block(&self, hash: GlobalH256) -> Option<RawBlock>; fn raw_block(&self, hash: GlobalH256) -> Option<RawBlock>;
@ -50,6 +51,10 @@ impl BlockChainClientCoreApi for BlockChainClientCore {
self.storage.best_block().hash self.storage.best_block().hash
} }
fn block_count(&self) -> u32 {
self.storage.best_block().number
}
fn block_hash(&self, height: u32) -> Option<GlobalH256> { fn block_hash(&self, height: u32) -> Option<GlobalH256> {
self.storage.block_hash(height) self.storage.block_hash(height)
} }
@ -176,6 +181,10 @@ impl<T> BlockChain for BlockChainClient<T> where T: BlockChainClientCoreApi {
Ok(self.core.best_block_hash().reversed().into()) Ok(self.core.best_block_hash().reversed().into())
} }
fn block_count(&self) -> Result<u32, Error> {
Ok(self.core.block_count())
}
fn block_hash(&self, height: u32) -> Result<H256, Error> { fn block_hash(&self, height: u32) -> Result<H256, Error> {
self.core.block_hash(height) self.core.block_hash(height)
.map(|h| h.reversed().into()) .map(|h| h.reversed().into())

4
rpc/src/v1/traits/blockchain.rs
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@ -14,6 +14,10 @@ build_rpc_trait! {
/// @curl-example: curl --data-binary '{"jsonrpc": "2.0", "method": "getbestblockhash", "params": [], "id":1 }' -H 'content-type: application/json;' http://127.0.0.1:8332/ /// @curl-example: curl --data-binary '{"jsonrpc": "2.0", "method": "getbestblockhash", "params": [], "id":1 }' -H 'content-type: application/json;' http://127.0.0.1:8332/
#[rpc(name = "getbestblockhash")] #[rpc(name = "getbestblockhash")]
fn best_block_hash(&self) -> Result<H256, Error>; fn best_block_hash(&self) -> Result<H256, Error>;
/// Get height of best block.
/// @curl-example: curl --data-binary '{"jsonrpc": "2.0", "method": "getblockcount", "params": [], "id":1 }' -H 'content-type: application/json;' http://127.0.0.1:8332/
#[rpc(name = "getblockcount")]
fn block_count(&self) -> Result<u32, Error>;
/// Get hash of block at given height. /// Get hash of block at given height.
/// @curl-example: curl --data-binary '{"jsonrpc": "2.0", "method": "getblockhash", "params": [0], "id":1 }' -H 'content-type: application/json;' http://127.0.0.1:8332/ /// @curl-example: curl --data-binary '{"jsonrpc": "2.0", "method": "getblockhash", "params": [0], "id":1 }' -H 'content-type: application/json;' http://127.0.0.1:8332/
#[rpc(name = "getblockhash")] #[rpc(name = "getblockhash")]

5
sync/src/utils/best_headers_chain.rs
View File

@ -73,6 +73,11 @@ impl BestHeadersChain {
.expect("storage_best_hash is always known") .expect("storage_best_hash is always known")
} }
/// Get height of best block
pub fn block_count(&self) -> u32 {
self.best.len()
}
/// Insert new block header /// Insert new block header
pub fn insert(&mut self, header: IndexedBlockHeader) { pub fn insert(&mut self, header: IndexedBlockHeader) {
// append to the best chain // append to the best chain